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Electric Circuits Theory 2

67 answers

For a capacitor, the voltage and current are
  • Out of phase, current leads by 90° Correct
For n inductor, the voltage and current are
  • Out of phase, current lags by90° Correct
Impedances connected in parallel can be combined into a single impedance by
  • Adding the reciprocal of the individual impedances and getting the reciprocal Correct
In the formulawe denoteaaas the
  • Alpha frequency(incorrect) Correct
In the formulawe denoteωω0as the
  • Resonant radian frequency Correct
The equationZ1=Z1Z2+Z2Z3+Z3Z1Z1Z1=Z1Z2+Z2Z3+Z3Z1Z1is used when doing
  • Delta-to-wye transformations-incorrect Correct
The impedance of an inductor is denoted by
  • J(−1/ωC)J(−1/ωC) Correct
Which equation shows the natural response of the current of an RL circuit?
  • \(I_0Re^-{\left(\tfrac {R}{L}\right)t}\)(wrong) Correct
Which equation shows the natural response of the voltage of an RC circuit?
  • V_0e^{-\tfrac{t}{\tau}V_0e^{-\tfrac{t}{\tau} Correct
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